Adjusting play speed for animation causes notifies to trigger multiple times

UE - Anim - Sequencer - May 31, 2016

Adjusting play speed for animation causes notifies to trigger multiple times. Creates a stuttering effect. ...

Simple Move in sublevels does not properly function

UE - AI - Sep 14, 2015

Using simple move to location in sublevels causes the blueprint not to respond or function correctly. ...

Is Input Key Down does not work when Any Key is being checked

UE - Gameplay - Input - Jan 6, 2016

If the "Any Key" keybinding is used in the Is Input Key Down node, the node will never return true, even if any key is pressed. ...

PakBlacklist does not seem to be excluding files properly

UE - Foundation - Core - Cooker - Feb 10, 2016

The pak-blacklist files do not seem to be working fully. While some of the files may be excluded Engine/Content/Slate files are staying behind, which can be seen once you've used UnrealPak ...

LIVE: Changing a Custom Event to Multicast in a parent blueprint causes crash

UE - Gameplay - Blueprint - Nov 13, 2014

Changing a Custom Event to Multicast in a parent blueprint causes crash if the Custom Event is being used in the child blueprint. Callstack: MachineId:DE189244480D3CD0F8CA729A02DD38A6 UserName:tjb ...

Smart Links are Removed During Dynamic NavMesh Regeneration

UE - AI - Feb 24, 2016

Smart links disappear whenever the Nav Mesh regenerates while using Dynamic Runtime Generation. For example, if you have a dynamic object that is constantly moving and causing the Nav Mesh to rebuil ...

Level Streaming Blocking Loads Do Not Work

UE - Gameplay - Jun 4, 2018

It is believed that If Should Block On Load is TRUE, the entire game should freeze up until the entire level is loaded. Then If Should Block On Load is FALSE, the game continues to play while the le ...

Engine Crashes When Trying to Add an Entry to a TMap in a Nested Struct That is an Element of an Array

Tools - Oct 3, 2019

When trying to add an entry to a TMap in a nested struct that is an element of an array the engine crashes. This doesn't happen if it is not an array of the nested struct. Attached are .h and .cpp ...

Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine

Tools - Dec 31, 2019

When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...

SWorldPartitionEditorGrid2D causing editor to crash

UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023